Is there a way to Mark the ring distance on the 360? I couldn't find one on the helix. I would like to turn it on if it is an option so I don't have to calculate in my head when I see something to throw at.

Yes there is. Get the 360 operating on your screen, then go into the menu button at the top left corner. ( may be a little different I'm describing what I do on my onix unit) the drop down menu should appear. Then scroll down to options or preferences and it should be in there, range rings I believe it is called...

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Formerly known as progator james2013 Skeeter FX21 with a 250 SHO... Love this boat!!

What I described should make the range rings appear on screen. If you look closely the rings are marked with the distance on them. You can also put a cursor mark on the object you want to cast to and at the bottom of my screen it shows the distance in small numbers.

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Formerly known as progator james2013 Skeeter FX21 with a 250 SHO... Love this boat!!